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Cortical Surface-Based Analysis
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Abstract
The surface of the human cerebral cortex is a highly folded sheet with the majority
of its surface area buried within folds. As such, it is a difficult domain for computational
as well as visualization purposes. We have therefore designed a set of procedures
for modifying the representation of the cortical surface to (i) inflate it so that
activity buried inside sulci may be visualized, (ii) cut and flatten an entire hemisphere,
and (iii) transform a hemisphere into a simple parameterizable surface such as a sphere
for the purpose of establishing a surface-based coordinate system.
Copyright 1999 Academic Press.